[j-nsp] exception traffic types for Juniper routers

[akash_yadav]

Juniper has built in policer to handle exceptional traffic like broadcast. When you configure any interface you will see a default policer associated with the interface.

Check for the 'show interface intf-name extensive' at the bottom you will see a default filter.

Cherrs!!!
Akash


Sent from Samsung Mobile

-------- Original message --------
From: david.roy at orange.com
Date:30/09/2015  1:23 AM  (GMT+05:30)
To: Martin T <m4rtntns at gmail.com>,juniper-nsp <juniper-nsp at puck.nether.net>
Subject: Re: [j-nsp] exception traffic types for Juniper routers

Hello

Check show pfe statistics exceptions

David




-------- Message d'origine --------
De : Martin T
Date :29/09/2015 21:40 (GMT+01:00)
À : juniper-nsp
Objet : [j-nsp] exception traffic types for Juniper routers

Hi,

as I understand, there are several different exception traffic types:

1) unicast traffic addressed to router itselt. For example telnet, SSH
or SNMP traffic. I guess it is technically correct to say that
"incoming frames which have one of the router interfaces MAC addresses
as a destination MAC address are exception traffic"?

2) IPv4 packets with options set. IPv6 packets with extension headers?

3) Packets requiring the generation of an ICMP error message. For
example if IPv4/IPv6 packet comes in with TTL/hop-limit 1, then router
has to send ICMP error message to destination.


Are there any other exception traffic types? When is broadcast and
multicast traffic handled as exception traffic?


thanks,
Martin
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